Tam sim no peb lub neej niaj hnub, lub hnab ntim hnab yas tau koom nrog txhua yam ntawm peb lub neej, feem ntau siv, tshwj xeeb tshaj yog cov hnab ntim khaub ncaws, hnab khw hauv khw, hnab PVC, hnab khoom plig, thiab lwm yam, yog li yuav ua li cas thaum kawg siv kom raug. ntawm cov hnab yas ntim nws. Ua ntej tshaj plaws, peb yuav tsum paub tias cov hnab yas tsis tuaj yeem sib xyaw, vim tias lub ntim ntawm cov khoom sib txawv yuav tsum tau yuav los ntawm cov hnab yas sib thooj. Zoo li lub hnab ntim khoom noj tau tsim tshwj xeeb rau kev ntim khoom noj, nws cov khoom siv, thiab cov txheej txheem, thiab lwm yam yog cov kev xav tau siab rau ib puag ncig kev nyab xeeb; thiab tshuaj lom neeg, khaub ncaws, thiab tshuaj pleev ib ce thiab lwm cov hnab yas, lawv txawv vim qhov kev xav tau ntawm cov txheej txheem tsim khoom kuj yuav txawv, thiab cov hnab yas no tsis tuaj yeem siv rau ntim khoom noj, txwv tsis pub nws yuav ua rau muaj kev phom sij rau tib neeg. noj qab haus huv.
Thaum peb yuav cov hnab ntim khoom yas, ntau tus neeg yuav ib txwm xaiv lub hnab tuab thiab ruaj khov, thiab peb feem ntau xav tias lub hnab tuab zoo dua qhov zoo, tab sis qhov tseeb, tsis yog lub hnab tuab thiab muaj zog dua lub hnab zoo dua. Vim hais tias lub teb chaws cov cai rau kev tsim cov hnab yas yog cov qauv nruj heev, tshwj xeeb tshaj yog rau kev siv cov khoom noj khoom haus ntim cov hnab yas, nws yog ib qho tsim nyog yuav tsum tau siv cov tuam txhab ua lag luam uas tsim los ntawm cov koom haum cuam tshuam rau kev pom zoo ntawm cov khoom tsim nyog. Cov hnab yas rau khoom noj yuav tsum tau cim nrog "khoom noj tshwj xeeb" thiab "QS logo" xws li lo lus cim. Tsis tas li ntawd, koj tuaj yeem pom seb lub hnab yas puas huv tiv thaiv lub teeb. Vim tias cov hnab yas tsim nyog tau huv heev, tsis muaj impurities, txawm li cas los xij, cov hnab yas tsis zoo yuav pom cov khoom qias neeg, impurities. Qhov no kuj yog ib txoj hauv kev zoo rau pom kev txiav txim siab zoo ntawm cov hnab yas thaum peb yuav thiab muag lawv txhua hnub.
Kuv ntseeg hais tias muaj coob tus neeg yuav coj ib tug cwj pwm raws li cov tsos, xim xaiv ib tug zoo-zoo li lub hnab ntim hnab, tab sis qhov tseeb, qhov no yog ib tug heev unscientific mus kom ze. Vim hais tias txawm hais tias muaj ntau hom hnab yas ntim cov xim, tab sis peb yuav tsum tau ceev faj thaum xaiv, tshwj xeeb tshaj yog thaum siv cov hnab yas ntim khoom uas muaj cov khoom noj, los ntawm cov xim yuav tsum tau txiav txim siab zoo, yuav tsum xaiv cov xim ntawm cov hnab yas yooj yim dua. siv, yog li tsawg kawg nws cov additives tsis yog ntau, qhov kev hem thawj rau kev nyab xeeb khoom noj xav tau ntau kuj yuav tsawg dua. Cov no yog cov hnab ntim cov hnab yas siv kom pom tseeb, ntxiv rau qhov no, kev xaiv cov hnab ntim cov hnab ntim khoom lag luam tseem ceeb heev. Tsuas yog cov neeg tsim khoom raug cai, kom ntseeg tau tias cov hnab ntim cov hnab yas peb siv muaj kev nyab xeeb.
Kev xaiv ntawm cov ntaub ntawv tsis yog arbitrary, thawj yuav tsum tau ua ke nrog cov yam ntxwv ntawm cov khoom, xws li daim ntawv ntawm cov khoom (khoom, kua, thiab lwm yam), seb nws yog corrosive thiab volatile thiab seb nws yuav tsum tau khaws cia deb ntawm. teeb; hmoov cov khoom yuav tsum xav txog cov dej tsis kam, yog li feem ntau hauv kev xaiv cov khoom siv hauv lub hnab, yuav txiav txim siab ntxiv cov ntawv txhuas los ua kom cov dej tsis kam ntawm lub hnab. Cov khoom siv sib xyaw yog qhov kev xaiv zoo tshaj plaws rau cov khoom siv hmoov. Cov khoom siv sib xyaw yog los ntawm qee txoj kev thiab kev txhais tau tias, ob lossis ntau cov ntaub ntawv los ntawm qee txoj kev ua cov khoom sib xyaw, kom nws muaj cov yam ntxwv ntawm ntau yam ntaub ntawv los ua kom tsis muaj qhov tsis zoo ntawm ib qho khoom siv los ua ib lub ntim zoo dua. cov khoom siv nrog cov khoom zoo. Piv nrog rau cov khoom siv ib txwm siv, cov ntaub ntawv sib xyaw muaj qhov zoo ntawm kev txuag cov peev txheej, yooj yim rov ua dua tshiab, txo cov nqi tsim khoom thiab txo qhov hnyav ntawm ntim, yog li lawv muaj txiaj ntsig thiab tawm tswv yim.
Lub sij hawm xa tuaj: Nov-17-2022